Debt Instrument, Extension Term

No definition available.

Name:	ntst_DebtInstrumentExtensionTerm
Namespace Prefix:	ntst_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

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Period Type:	duration

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Balance Type:	debit
Period Type:	instant

- Definition

The number of derivative instruments of a particular group held by the entity.

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Period Type:	instant

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Namespace Prefix:
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Period Type:

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Period Type:

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Period Type:

- Details

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Debt - Schedule of Debt (Details) $ in Thousands				6 Months Ended
Debt - Schedule of Debt (Details) $ in Thousands	Jun. 15, 2023	Sep. 01, 2022	Aug. 11, 2022 USD ($)	Jun. 30, 2023 USD ($) derivative	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Total debt				$ 489,435	$ 496,498
Unamortized discount and debt issuance costs				(2,853)	(2,306)
Unamortized deferred financing costs, net				(2,313)	(2,684)
Long-term debt				484,269	491,508
Unsecured Debt
Debt Instrument [Line Items]
Long-term debt				$ 489,435
Prior Credit Agreement \| Line of Credit
Debt Instrument [Line Items]
Unamortized deferred financing costs, net			$ (500)
Prior Credit Agreement \| Line of Credit \| Unsecured Debt
Debt Instrument [Line Items]
Interest Rate				1.37%
Total debt			$ 175,000	$ 0	175,000
Long-term debt				$ 0	174,532
Prior Credit Agreement \| Line of Credit \| Unsecured Debt \| Interest rate swaps
Debt Instrument [Line Items]
Interest rate swap agreements \| derivative				4
Prior Credit Agreement \| Line of Credit \| SOFR adjustment rate \| Unsecured Debt
Debt Instrument [Line Items]
One-month LIBOR				0.10%
Prior Credit Agreement \| Line of Credit \| Secured Overnight Financing Rate (SOFR) Adjustment Margin \| Unsecured Debt
Debt Instrument [Line Items]
One-month LIBOR				1.15%
New Credit Facility \| Line of Credit \| Revolver
Debt Instrument [Line Items]
Interest Rate				6.15%
Total debt				$ 106,000	113,000
Debt instrument, extension term			1 year
New Credit Facility \| Line of Credit \| Unsecured Debt
Debt Instrument [Line Items]
Interest Rate				3.88%
Total debt				$ 200,000	200,000
Long-term debt				$ 173,801	0
One-month LIBOR				5.05%
Debt instrument, extension term			1 year
New Credit Facility \| Line of Credit \| Unsecured Debt \| Interest rate swaps
Debt Instrument [Line Items]
Interest rate swap agreements \| derivative				3
New Credit Facility \| Line of Credit \| SOFR adjustment rate \| Revolver
Debt Instrument [Line Items]
One-month LIBOR				0.10%
New Credit Facility \| Line of Credit \| SOFR adjustment rate \| Unsecured Debt
Debt Instrument [Line Items]
One-month LIBOR		0.10%		0.10%
New Credit Facility \| Line of Credit \| Secured Overnight Financing Rate (SOFR) Adjustment Margin \| Revolver
Debt Instrument [Line Items]
One-month LIBOR				1.00%
New Credit Facility \| Line of Credit \| Secured Overnight Financing Rate (SOFR) Adjustment Margin \| Unsecured Debt
Debt Instrument [Line Items]
One-month LIBOR				1.15%
New Credit Facility \| Line of Credit \| Daily Secured Overnight Financing Rate (SOFR) \| Revolver
Debt Instrument [Line Items]
One-month LIBOR				5.05%
Mortgage Note Payable \| Mortgages
Debt Instrument [Line Items]
Interest Rate				4.53%
Total debt				$ 8,435	8,498
2026 Term Loan \| Line of Credit \| Unsecured Debt
Debt Instrument [Line Items]
Interest Rate				1.37%
Total debt				$ 175,000	$ 0
Debt instrument, extension term	1 year